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Cloud Computing by Jamsa

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chapter 1

Introducing Cloud Computing

FOR YEARS DEVELOPERS AND network administrators have represented the Internet within design documents as a cloud. By abstracting the Internet’s technologies and underlying protocols as simply a cloud, as shown in FIGURE 1-1, the developers could temporarily ignore the communication complexity and simply assume that messages would flow successfully from one Internet-connected network to another.

Learning Objectives

This chapter introduces cloud computing. By the time you finish this chapter, you will be able to do the following:

   Understand the abstract nature of cloud computing.

   Describe evolutionary factors of computing that led to the cloud.

   Describe virtualization at both the desktop and the ...

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